Miele SBD 450-3 Classic Combination  Smooth Floor Brush (S2/S4/S5/S6/S700) Ideal for all smooth flooring and low-pile carpeting. Applicable for the following models: S1, S500, S700, S2/S4, S5/S6 Easily transition from smooth floors to carpeted surfaces with a quick click of the rocker switch. Ideal for all smooth flooring and low-pile carpeting. Applicable for the following models: S1, S500, S700, S2/S4, S5/S6 Easily transition from smooth floors to carpeted surfaces with a quick click of the rocker switch.